Russia hijacked international sport by using more than 1,000 athletes in an "institutional conspiracy" to win medals at the Sochi and London Olympics and other global events, a top investigator said Friday. More »

An investigation for the World Anti-Doping Agency (WADA) claims positive tests were concealed at the London Games, the Sochi Winter Olympics, and the 2013 World Athletics Championships. London 2012 was corrupted by Russian athletes on an "unprecedented scale" , said head of the investigation Professor Richard McClaren. More »

LAUSANNE, Switzerland (Reuters) - The International Olympic Committee (IOC) will test all samples of all Russian athletes who took part in the 2012 London Olympics following a report that showed more than 1,000 Russian competitors were involved in an institutional conspiracy to conceal positive drug tests, it said on Friday. "Following Professor (Richard) McLaren's findings, I have also today extended the mandate of the disciplinary commission to test all samples of all Russian athletes having participated in the Olympic Games London 2012," IOC President Thomas Bach told reporters. ... More »